Third-Party Lenses: The Honest Guide to What You Gain, What You Lose, and What Nobody Tells You

The narrative around third-party lenses has flipped completely in the last five years. What used to be a compromise, trading optical quality and autofocus reliability for a lower price, has become something closer to the default recommendation for most photographers. Sigma’s Art line routinely matches or exceeds first-party optical performance. Tamron is planning ten new lenses this year across four mounts. Viltrox just joined the L-Mount Alliance as a full partner.

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